3 files changed, 13 insertions, 15 deletions

diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index 491e71f2a1b8..7e7095974d54 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -41,15 +41,15 @@ struct msg_msgseg {
         /* the next part of the message follows immediately */
 };
 
-#define DATALEN_MSG     (int)(PAGE_SIZE-sizeof(struct msg_msg))
-#define DATALEN_SEG     (int)(PAGE_SIZE-sizeof(struct msg_msgseg))
+#define DATALEN_MSG     ((size_t)PAGE_SIZE-sizeof(struct msg_msg))
+#define DATALEN_SEG     ((size_t)PAGE_SIZE-sizeof(struct msg_msgseg))
 
 
-static struct msg_msg *alloc_msg(int len)
+static struct msg_msg *alloc_msg(size_t len)
 {
         struct msg_msg *msg;
         struct msg_msgseg **pseg;
-        int alen;
+        size_t alen;
 
         alen = min(len, DATALEN_MSG);
         msg = kmalloc(sizeof(*msg) + alen, GFP_KERNEL);
@@ -80,12 +80,12 @@ out_err:
         return NULL;
 }
 
-struct msg_msg *load_msg(const void __user *src, int len)
+struct msg_msg *load_msg(const void __user *src, size_t len)
 {
         struct msg_msg *msg;
         struct msg_msgseg *seg;
         int err = -EFAULT;
-        int alen;
+        size_t alen;
 
         msg = alloc_msg(len);
         if (msg == NULL)
@@ -117,8 +117,8 @@ out_err:
 struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst)
 {
         struct msg_msgseg *dst_pseg, *src_pseg;
-        int len = src->m_ts;
-        int alen;
+        size_t len = src->m_ts;
+        size_t alen;
 
         BUG_ON(dst == NULL);
         if (src->m_ts > dst->m_ts)
@@ -147,9 +147,9 @@ struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst)
         return ERR_PTR(-ENOSYS);
 }
 #endif
-int store_msg(void __user *dest, struct msg_msg *msg, int len)
+int store_msg(void __user *dest, struct msg_msg *msg, size_t len)
 {
-        int alen;
+        size_t alen;
         struct msg_msgseg *seg;
 
         alen = min(len, DATALEN_MSG);
diff --git a/ipc/util.c b/ipc/util.c
index 7684f41bce76..3ae17a4ace5b 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -90,10 +90,8 @@ static int ipc_memory_callback(struct notifier_block *self,
                  * In order not to keep the lock on the hotplug memory chain
                  * for too long, queue a work item that will, when waken up,
                  * activate the ipcns notification chain.
-                 * No need to keep several ipc work items on the queue.
                  */
-                if (!work_pending(&ipc_memory_wq))
-                        schedule_work(&ipc_memory_wq);
+                schedule_work(&ipc_memory_wq);
                 break;
         case MEM_GOING_ONLINE:
         case MEM_GOING_OFFLINE:
diff --git a/ipc/util.h b/ipc/util.h
index f2f5036f2eed..59d78aa94987 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -148,9 +148,9 @@ int ipc_parse_version (int *cmd);
 #endif
 
 extern void free_msg(struct msg_msg *msg);
-extern struct msg_msg *load_msg(const void __user *src, int len);
+extern struct msg_msg *load_msg(const void __user *src, size_t len);
 extern struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst);
-extern int store_msg(void __user *dest, struct msg_msg *msg, int len);
+extern int store_msg(void __user *dest, struct msg_msg *msg, size_t len);
 
 extern void recompute_msgmni(struct ipc_namespace *);